This document specifies the testing principle, reagents and instruments, test conditions, standard solution preparation, analysis steps, result calculation, precision, and test report for the determination of polyhexamethylene biguanide hydrochloride content in wet wipes by high-performance liquid chromatography. . This document is applicable to the use of high-performance liquid chromatography for the preparation of wet wipes and the determination of the polyhexamethylene biguanide hydrochloride content in wet wipes. The detection limit of polyhexamethylene biguanide is 30 mg/L, and the quantitation limit is 30 mg/L. is 100mg/L.
T/QGCML 2622-2023 history
2023T/QGCML 2622-2023 Determination of polyhexamethylene biguanide hydrochloride in wet wipes by high performance liquid chromatography